Abbreviations, Pre-, and Postfixes

Abbreviations

variable name	meaning
e	entity
k	key
lc	lang code
prop	property
v	value
vac	vacancy
vf	vacancy filter
vfo	vacancy filter option

Prefixes

postfix	meaning
m followed by an uppercase letter	this is a Maybe version of a value
unsafe followed by an uppercase letter	unsafe function, i.e. function might throw an exception

Postfixes

postfix	meaning
E	persistent entity
K	persistent key